OPTICAL PHANTOMS FOR USE WITH OCULAR SURFACE INTERFEROMETRY (OSI) DEVICES AND SYSTEMS CONFIGURED TO MEASURE TEAR FILM LAYER THICKNESS(ES), AND RELATED USE FOR CALIBRATION
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United States of America Patent
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Issued Date -
Nov 7, 2013
app pub date -
May 3, 2013
filing date -
May 4, 2012
priority date (Note) -
Abandoned
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Abstract
Embodiments of the detailed description include optical phantoms for use with ocular surface interferometery (OSI) devices and systems configured to measure tear film layer thickness(es), and related use for calibration. The ocular surface interferometry (OSI) devices, systems, and methods can be used for imaging an ocular tear film and/or measuring a tear film layer thickness (TFLT) in a patient's ocular tear film. The OSI devices, systems, and methods can be used to measure the thickness of the lipid layer component (LLT) and/or the aqueous layer component (ALT) of the ocular tear film. “TFLT” as used herein includes LLT, ALT, or both LLT and ALT. “Measuring TFLT” as used herein includes measuring LLT, ALT, or both LLT and ALT. Imaging the ocular tear film and measuring TFLT can be used in the diagnosis of a patient's tear film, including but not limited to lipid layer and aqueous layer deficiencies.
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